| 提高混凝土耐久性措施在近海桥梁施工中的应用 |
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| 引用本文： | 洪一民,余定军.提高混凝土耐久性措施在近海桥梁施工中的应用[J].水运工程,2011(10):28-32. |
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| 作者姓名： | 洪一民 余定军 |
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| 作者单位： | 1. 舟山市交通工程质量监督局,浙江舟山,316021
2. 中交二航局第二工程有限公司,重庆,400013 |
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| 摘 要： | 辽河特大桥为主跨436 m的双塔双索面斜拉桥，位于辽河入海口处。该项目混凝土结构耐久性不但要考虑海水及淡水双重腐蚀，还要考虑冻融损伤对耐久性的影响，因此，对混凝土结构耐久性有非常高的要求。结合工程实例，重点介绍高性能混凝土、外加电流阴极保护、防腐涂层等提高混凝土耐久性措施在本桥混凝土中的应用。
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| 关 键 词： | 混凝土耐久性 高性能混凝土 外加电流阴极保护 防腐涂层 |
Application of measures for increasing durability of concrete in offshore bridge construction |
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| HONG Yi-min,YU Ding-jun.Application of measures for increasing durability of concrete in offshore bridge construction[J].Port & Waterway Engineering,2011(10):28-32. |
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| Authors: | HONG Yi-min YU Ding-jun |
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| Institution: | 1. Zhoushan Traffic Engineering Quality Supervision Bureau, Zhoushan 316021, China;2. Engineering Co. of CCCC Second Harbor Engineering Co., Ltd., Chongqing 400013, China |
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| Abstract: | Liaohe ultra-large bridge is designed as a cable-stayed bridge with a main span 436 m,double pylons and double cable planes,and it is located at the Liaohe river estuary.For the concrete structures' durability of this project,we shall consider not only the dual corrosions by the sea water and the fresh water,but also the freezing and thawing damage to the durable influence.Therefore,an extremely high requirement was need for the concrete structures' durability.Connecting with the engineering example,this pa... |
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| Keywords: | concrete durability high performance concrete impressed current cathodic protection anticorrosive
coating |
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